Dynamic nuclear polarization for sensitivity enhancement in biomolecular solid-state NMR

T Biedenbänder, V Aladin, S Saeidpour… - Chemical …, 2022 - ACS Publications
Solid-state NMR with magic-angle spinning (MAS) is an important method in structural
biology. While NMR can provide invaluable information about local geometry on an atomic …

Novel and emerging applications of the gyrotrons worldwide: Current status and prospects

S Sabchevski, M Glyavin, S Mitsudo… - Journal of Infrared …, 2021 - Springer
This review paper is based on the invited talk presented by the same authors at the 8th
International Workshop on Far-Infrared Technologies (IW-FIRT 2021). It overviews some …

200 GHz single chip microsystems for dynamic nuclear polarization enhanced NMR spectroscopy

N Sahin Solmaz, R Farsi, G Boero - Nature Communications, 2024 - nature.com
Dynamic nuclear polarization (DNP) is one of the most powerful and versatile
hyperpolarization methods to enhance nuclear magnetic resonance (NMR) signals. A major …

Development and application of THz gyrotrons for advanced spectroscopic methods

S Sabchevski, M Glyavin - Photonics, 2023 - mdpi.com
Nowadays, gyrotrons are used in numerous and diverse fields of research and technology.
Their most prominent application is to electron cyclotron resonance plasma heating and …

A 250-Watts, 0.5-THz continuous-wave second-harmonic gyrotron

MY Glyavin, AN Kuftin, MV Morozkin… - IEEE Electron …, 2021 - ieeexplore.ieee.org
To cover the so-called terahertz gap in powerful sources of coherent electromagnetic waves,
a second-harmonic gyrotron operating in a 10 T liquid helium-free superconducting magnet …

Boosted excitation of the fifth cyclotron harmonic based on frequency multiplication in conventional gyrotrons

GG Denisov, IV Zotova, AM Malkin, AS Sergeev… - Physical Review E, 2022 - APS
We discovered a specific property of the eigenmodes of a cylindrical waveguide, due to
which efficient mode excitation at ultrahigh (s= 4 n+ 1, n is integer) multiples of the …

Balancing dipolar and exchange coupling in biradicals to maximize cross effect dynamic nuclear polarization

A Equbal, K Tagami, S Han - Physical Chemistry Chemical Physics, 2020 - pubs.rsc.org
Dynamic nuclear polarization (DNP) by the cross effect (CE) has become a game changer
for solid-state nuclear magnetic resonance (NMR) spectroscopy. The efficiency of CE-DNP …

Overhauser dynamic nuclear polarization with selectively deuterated BDPA radicals

L Delage-Laurin, RS Palani, N Golota… - Journal of the …, 2021 - ACS Publications
The Overhauser effect (OE), commonly observed in NMR spectra of liquids and conducting
solids, was recently discovered in insulating solids doped with the radical 1, 3 …

Third-harmonic 1 THz large-orbit gyrotron with an improved quasi-regular cavity

YK Kalynov, IV Bandurkin, IV Osharin… - IEEE Electron Device …, 2023 - ieeexplore.ieee.org
A pulsed third-cyclotron-harmonic large-orbit gyrotron (LOG) operating with a radiation
power of 0.4 kW at a frequency of 1 THz was implemented in 2008 in the 80 kV/0.7 …

Experimental investigations on a 500GHz continuously frequency-tunable gyrotron

T Song, X Qi, Z Yan, P Liang, C Zhang… - IEEE Electron …, 2021 - ieeexplore.ieee.org
A 500 GHz TE 85 mode continuously frequency-tunable gyrotron has been designed,
fabricated and investigated experimentally. In the experiment, the gyrotron operates at the …